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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/017248
Kind Code:
A1
Abstract:
In this rotary compressor, at least the bottom of a communication groove (72) continuing from a cylinder chamber (51) to a resonance chamber (71) is formed of a curved surface, the flow rate of gas flowing through the communication groove (72) is kept substantially uniform so that occurrence of vortexes is suppressed, the silencing effect of a Helmholtz muffler (70) is obtained irrespective of the acoustic velocity in a refrigerant, and deterioration of the efficiency of the compressor is suppressed.

Inventors:
SHIMIZU Takashi (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
Application Number:
JP2018/026064
Publication Date:
January 24, 2019
Filing Date:
July 10, 2018
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
International Classes:
F04C29/06; F04C18/32; F04C29/00
Foreign References:
CN1499082A2004-05-26
JP2016134335A2016-07-25
JP2016188760A2016-11-04
US6176687B12001-01-23
CN101074671A2007-11-21
JPS6211200B21987-03-11
Attorney, Agent or Firm:
MAEDA & PARTNERS (Shin-Daibiru Bldg. 23F, 2-1 Dojimahama 1-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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